增加通过api获取题目的逻辑

problem/serizalizers.py

@@ -39,7 +39,7 @@ class ProblemTagSerializer(serializers.ModelSerializer):
         model = ProblemTag
 
 
-class ProblemSerializer(serializers.ModelSerializer):
+class BaseProblemSerializer(serializers.ModelSerializer):
     samples = JSONField()
     tags = ProblemTagSerializer(many=True)
 
@@ -50,10 +50,19 @@ class ProblemSerializer(serializers.ModelSerializer):
 
     created_by = UserSerializer()
 
+
+class ProblemSerializer(BaseProblemSerializer):
     class Meta:
         model = Problem
 
 
+class OpenAPIProblemSerializer(BaseProblemSerializer):
+
+    class Meta:
+        model = Problem
+        exclude = ["visible", "test_case_id"]
+
+
 class EditProblemSerializer(serializers.Serializer):
     id = serializers.IntegerField()
     title = serializers.CharField(max_length=50)

problem/views.py

@@ -13,12 +13,12 @@ from django.utils.timezone import now
 from django.conf import settings
 from rest_framework.views import APIView
 
-from account.models import SUPER_ADMIN
+from account.models import SUPER_ADMIN, User
 from account.decorators import super_admin_required
 from utils.shortcuts import (serializer_invalid_response, error_response,
                              success_response, paginate, rand_str, error_page)
 from .serizalizers import (CreateProblemSerializer, EditProblemSerializer, ProblemSerializer,
-                           ProblemTagSerializer)
+                           ProblemTagSerializer, OpenAPIProblemSerializer)
 from .models import Problem, ProblemTag
 from .decorators import check_user_problem_permission
 
@@ -36,6 +36,26 @@ def problem_page(request, problem_id):
     return render(request, "oj/problem/problem.html", {"problem": problem, "samples": json.loads(problem.samples)})
 
 
+class OpenAPIProblemAPI(APIView):
+    def get(sell, request):
+        """
+        openapi 获取题目内容
+        """
+        problem_id = request.GET.get("problem_id", None)
+        appkey = request.GET.get("appkey", None)
+        if not (problem_id and appkey):
+            return error_response(u"参数错误")
+        try:
+            User.objects.get(openapi_appkey=appkey)
+        except User.DoesNotExist:
+            return error_response(u"appkey无效")
+        try:
+            problem = Problem.objects.get(id=problem_id, visible=True)
+        except Problem.DoesNotExist:
+            return error_page(request, u"题目不存在")
+        return success_response(OpenAPIProblemSerializer(problem).data)
+
+
 class ProblemTagAdminAPIView(APIView):
     """
     获取所有标签的列表